1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2000 4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 5 */ 6 7 #ifndef _DISK_PART_DOS_H 8 #define _DISK_PART_DOS_H 9 10 #define DOS_PART_DISKSIG_OFFSET 0x1b8 11 #define DOS_PART_TBL_OFFSET 0x1be 12 #define DOS_PART_MAGIC_OFFSET 0x1fe 13 #define DOS_PBR_FSTYPE_OFFSET 0x36 14 #define DOS_PBR32_FSTYPE_OFFSET 0x52 15 #define DOS_PBR_MEDIA_TYPE_OFFSET 0x15 16 #define DOS_MBR 0 17 #define DOS_PBR 1 18 19 typedef struct dos_partition { 20 unsigned char boot_ind; /* 0x80 - active */ 21 unsigned char head; /* starting head */ 22 unsigned char sector; /* starting sector */ 23 unsigned char cyl; /* starting cylinder */ 24 unsigned char sys_ind; /* What partition type */ 25 unsigned char end_head; /* end head */ 26 unsigned char end_sector; /* end sector */ 27 unsigned char end_cyl; /* end cylinder */ 28 unsigned char start4[4]; /* starting sector counting from 0 */ 29 unsigned char size4[4]; /* nr of sectors in partition */ 30 } dos_partition_t; 31 32 #endif /* _DISK_PART_DOS_H */ 33